code.vuplus.com Git - vuplus_dvbapp/blob - lib/dvb/db.cpp

   1 #include <errno.h>
   2 #include <lib/dvb/db.h>
   3 #include <lib/dvb/dvb.h>
   4 #include <lib/dvb/frontend.h>
   5 #include <lib/dvb/epgcache.h>
   6 #include <lib/base/eerror.h>
   7 #include <lib/base/estring.h>
   8 #include <dvbsi++/service_description_section.h>
   9 #include <dvbsi++/descriptor_tag.h>
  10 #include <dvbsi++/service_descriptor.h>
  11 #include <dvbsi++/satellite_delivery_system_descriptor.h>
  12
  13 DEFINE_REF(eDVBService);
  14
  15 RESULT eBouquet::addService(const eServiceReference &ref)
  16 {
  17         list::iterator it =
  18                 std::find(m_services.begin(), m_services.end(), ref);
  19         if ( it != m_services.end() )
  20                 return -1;
  21         m_services.push_back(ref);
  22         return 0;
  23 }
  24
  25 RESULT eBouquet::removeService(const eServiceReference &ref)
  26 {
  27         list::iterator it =
  28                 std::find(m_services.begin(), m_services.end(), ref);
  29         if ( it == m_services.end() )
  30                 return -1;
  31         m_services.erase(it);
  32         return 0;
  33 }
  34
  35 RESULT eBouquet::moveService(const eServiceReference &ref, unsigned int pos)
  36 {
  37         if ( pos < 0 || pos >= m_services.size() )
  38                 return -1;
  39         ++pos;
  40         list::iterator source=m_services.end();
  41         list::iterator dest=m_services.end();
  42         bool forward = false;
  43         for (list::iterator it(m_services.begin()); it != m_services.end(); ++it)
  44         {
  45                 if (dest == m_services.end() && !--pos)
  46                         dest = it;
  47                 if (*it == ref)
  48                 {
  49                         source = it;
  50                         forward = pos>0;
  51                 }
  52                 if (dest != m_services.end() && source != m_services.end())
  53                         break;
  54         }
  55         if (dest == m_services.end() || source == m_services.end() || source == dest)
  56                 return -1;
  57         while (source != dest)
  58         {
  59                 if (forward)
  60                         std::iter_swap(source++, source);
  61                 else
  62                         std::iter_swap(source--, source);
  63         }
  64         return 0;
  65 }
  66
  67 RESULT eBouquet::flushChanges()
  68 {
  69         FILE *f=fopen((CONFIGDIR"/enigma2/"+m_filename).c_str(), "w");
  70         if (!f)
  71                 return -1;
  72         if ( fprintf(f, "#NAME %s\r\n", m_bouquet_name.c_str()) < 0 )
  73                 goto err;
  74         for (list::iterator i(m_services.begin()); i != m_services.end(); ++i)
  75         {
  76                 eServiceReference tmp = *i;
  77                 std::string str = tmp.path;
  78                 if ( (i->flags&eServiceReference::flagDirectory) == eServiceReference::flagDirectory )
  79                 {
  80                         unsigned int p1 = str.find("FROM BOUQUET \"");
  81                         if (p1 == std::string::npos)
  82                         {
  83                                 eDebug("doof... kaputt");
  84                                 continue;
  85                         }
  86                         str.erase(0, p1+14);
  87                         p1 = str.find("\"");
  88                         if (p1 == std::string::npos)
  89                         {
  90                                 eDebug("doof2... kaputt");
  91                                 continue;
  92                         }
  93                         str.erase(p1);
  94                         tmp.path=str;
  95                 }
  96                 if ( fprintf(f, "#SERVICE %s\r\n", tmp.toString().c_str()) < 0 )
  97                         goto err;
  98                 if ( i->name.length() )
  99                         if ( fprintf(f, "#DESCRIPTION %s\r\n", i->name.c_str()) < 0 )
 100                                 goto err;
 101         }
 102         fclose(f);
 103         return 0;
 104 err:
 105         fclose(f);
 106         eDebug("couldn't write file %s", m_filename.c_str());
 107         return -1;
 108 }
 109
 110 RESULT eBouquet::setListName(const std::string &name)
 111 {
 112         m_bouquet_name = name;
 113         return 0;
 114 }
 115
 116 eDVBService::eDVBService()
 117         :m_flags(0)
 118 {
 119 }
 120
 121 eDVBService::~eDVBService()
 122 {
 123 }
 124
 125 eDVBService &eDVBService::operator=(const eDVBService &s)
 126 {
 127         m_service_name = s.m_service_name;
 128         m_service_name_sort = s.m_service_name_sort;
 129         m_provider_name = s.m_provider_name;
 130         m_flags = s.m_flags;
 131         m_ca = s.m_ca;
 132         m_cache = s.m_cache;
 133         return *this;
 134 }
 135
 136 void eDVBService::genSortName()
 137 {
 138         m_service_name_sort = removeDVBChars(m_service_name);
 139         makeUpper(m_service_name_sort);
 140         while ((!m_service_name_sort.empty()) && m_service_name_sort[0] == ' ')
 141                 m_service_name_sort.erase(0, 1);
 142
 143                 /* put unnamed services at the end, not at the beginning. */
 144         if (m_service_name_sort.empty())
 145                 m_service_name_sort = "\xFF";
 146 }
 147
 148 RESULT eDVBService::getName(const eServiceReference &ref, std::string &name)
 149 {
 150         if (!ref.name.empty())
 151                 name = ref.name; // use renamed service name..
 152         else if (!m_service_name.empty())
 153                 name = m_service_name;
 154         else
 155                 name = "(...)";
 156         return 0;
 157 }
 158
 159 RESULT eDVBService::getEvent(const eServiceReference &ref, ePtr<eServiceEvent> &ptr, time_t start_time)
 160 {
 161         return eEPGCache::getInstance()->lookupEventTime(ref, start_time, ptr);
 162 }
 163
 164 bool eDVBService::isPlayable(const eServiceReference &ref, const eServiceReference &ignore)
 165 {
 166         ePtr<eDVBResourceManager> res_mgr;
 167         if ( eDVBResourceManager::getInstance( res_mgr ) )
 168                 eDebug("isPlayble... no res manager!!");
 169         else
 170         {
 171                 eDVBChannelID chid, chid_ignore;
 172                 ((const eServiceReferenceDVB&)ref).getChannelID(chid);
 173                 ((const eServiceReferenceDVB&)ignore).getChannelID(chid_ignore);
 174                 return res_mgr->canAllocateChannel(chid, chid_ignore);
 175         }
 176         return false;
 177 }
 178
 179 int eDVBService::checkFilter(const eServiceReferenceDVB &ref, const eDVBChannelQuery &query)
 180 {
 181         int res = 0;
 182         switch (query.m_type)
 183         {
 184         case eDVBChannelQuery::tName:
 185                 res = m_service_name_sort.find(query.m_string) != std::string::npos;
 186                 break;
 187         case eDVBChannelQuery::tProvider:
 188                 res = m_provider_name.find(query.m_string) != std::string::npos;
 189                 break;
 190         case eDVBChannelQuery::tType:
 191                 res = ref.getServiceType() == query.m_int;
 192                 break;
 193         case eDVBChannelQuery::tBouquet:
 194                 res = 0;
 195                 break;
 196         case eDVBChannelQuery::tSatellitePosition:
 197                 res = ((unsigned int)ref.getDVBNamespace().get())>>16 == (unsigned int)query.m_int;
 198                 break;
 199         case eDVBChannelQuery::tFlags:
 200                 res = (m_flags & query.m_int) == query.m_int;
 201                 break;
 202         case eDVBChannelQuery::tChannelID:
 203         {
 204                 eDVBChannelID chid;
 205                 ref.getChannelID(chid);
 206                 res = chid == query.m_channelid;
 207                 break;
 208         }
 209         case eDVBChannelQuery::tAND:
 210                 res = checkFilter(ref, *query.m_p1) && checkFilter(ref, *query.m_p2);
 211                 break;
 212         case eDVBChannelQuery::tOR:
 213                 res = checkFilter(ref, *query.m_p1) || checkFilter(ref, *query.m_p2);
 214                 break;
 215         case eDVBChannelQuery::tAny:
 216                 res = 1;
 217                 break;
 218         }
 219
 220         if (query.m_inverse)
 221                 return !res;
 222         else
 223                 return res;
 224 }
 225
 226 int eDVBService::getCachePID(cacheID id)
 227 {
 228         std::map<int, int>::iterator it = m_cache.find(id);
 229         if ( it != m_cache.end() )
 230                 return it->second;
 231         return -1;
 232 }
 233
 234 void eDVBService::setCachePID(cacheID id, int pid)
 235 {
 236         if (pid == -1)
 237                 m_cache.erase(id);
 238         else
 239                 m_cache[id] = pid;
 240 }
 241
 242 DEFINE_REF(eDVBDB);
 243
 244         /* THIS CODE IS BAD. it should be replaced by somethine better. */
 245 void eDVBDB::reloadServicelist()
 246 {
 247         eDebug("---- opening lame channel db");
 248         FILE *f=fopen(CONFIGDIR"/enigma2/lamedb", "rt");
 249         if (!f)
 250         {
 251                 struct stat s;
 252                 if ( !stat("lamedb", &s) )
 253                 {
 254                         if ( !stat(CONFIGDIR"/enigma2", &s) )
 255                         {
 256                                 rename("lamedb", CONFIGDIR"/enigma2/lamedb" );
 257                                 reloadServicelist();
 258                         }
 259                 }
 260                 return;
 261         }
 262         char line[256];
 263         if ((!fgets(line, 256, f)) || strncmp(line, "eDVB services", 13))
 264         {
 265                 eDebug("not a servicefile");
 266                 fclose(f);
 267                 return;
 268         }
 269         eDebug("reading services");
 270         if ((!fgets(line, 256, f)) || strcmp(line, "transponders\n"))
 271         {
 272                 eDebug("services invalid, no transponders");
 273                 fclose(f);
 274                 return;
 275         }
 276
 277         // clear all transponders
 278
 279         while (!feof(f))
 280         {
 281                 if (!fgets(line, 256, f))
 282                         break;
 283                 if (!strcmp(line, "end\n"))
 284                         break;
 285                 int dvb_namespace=-1, transport_stream_id=-1, original_network_id=-1;
 286                 sscanf(line, "%x:%x:%x", &dvb_namespace, &transport_stream_id, &original_network_id);
 287                 if (original_network_id == -1)
 288                         continue;
 289                 eDVBChannelID channelid = eDVBChannelID(
 290                         eDVBNamespace(dvb_namespace),
 291                         eTransportStreamID(transport_stream_id),
 292                         eOriginalNetworkID(original_network_id));
 293
 294                 ePtr<eDVBFrontendParameters> feparm = new eDVBFrontendParameters;
 295                 while (!feof(f))
 296                 {
 297                         fgets(line, 256, f);
 298                         if (!strcmp(line, "/\n"))
 299                                 break;
 300                         if (line[1]=='s')
 301                         {
 302                                 eDVBFrontendParametersSatellite sat;
 303                                 int frequency, symbol_rate, polarisation, fec, orbital_position, inversion,
 304                                         system=eDVBFrontendParametersSatellite::System::DVB_S,
 305                                         modulation=eDVBFrontendParametersSatellite::Modulation::QPSK,
 306                                         rolloff=eDVBFrontendParametersSatellite::RollOff::alpha_auto;
 307                                 sscanf(line+2, "%d:%d:%d:%d:%d:%d:%d:%d:%d", &frequency, &symbol_rate, &polarisation, &fec, &orbital_position, &inversion, &system, &modulation, &rolloff);
 308                                 sat.frequency = frequency;
 309                                 sat.symbol_rate = symbol_rate;
 310                                 sat.polarisation = polarisation;
 311                                 sat.fec = fec;
 312                                 sat.orbital_position =
 313                                         orbital_position < 0 ? orbital_position + 3600 : orbital_position;
 314                                 sat.inversion = inversion;
 315                                 sat.system = system;
 316                                 sat.modulation = modulation;
 317                                 sat.roll_off = rolloff;
 318                                 feparm->setDVBS(sat);
 319                         } else if (line[1]=='t')
 320                         {
 321                                 eDVBFrontendParametersTerrestrial ter;
 322                                 int frequency, bandwidth, code_rate_HP, code_rate_LP, modulation, transmission_mode, guard_interval, hierarchy, inversion;
 323                                 sscanf(line+2, "%d:%d:%d:%d:%d:%d:%d:%d:%d", &frequency, &bandwidth, &code_rate_HP, &code_rate_LP, &modulation, &transmission_mode, &guard_interval, &hierarchy, &inversion);
 324                                 ter.frequency = frequency;
 325                                 ter.bandwidth = bandwidth;
 326                                 ter.code_rate_HP = code_rate_HP;
 327                                 ter.code_rate_LP = code_rate_LP;
 328                                 ter.modulation = modulation;
 329                                 ter.transmission_mode = transmission_mode;
 330                                 ter.guard_interval = guard_interval;
 331                                 ter.hierarchy = hierarchy;
 332                                 ter.inversion = inversion;
 333                                 feparm->setDVBT(ter);
 334                         } else if (line[1]=='c')
 335                         {
 336                                 eDVBFrontendParametersCable cab;
 337                                 int frequency, symbol_rate,
 338                                         inversion=eDVBFrontendParametersCable::Inversion::Unknown,
 339                                         modulation=eDVBFrontendParametersCable::Modulation::Auto,
 340                                         fec_inner=eDVBFrontendParametersCable::FEC::fAuto;
 341                                 sscanf(line+2, "%d:%d:%d:%d:%d", &frequency, &symbol_rate, &inversion, &modulation, &fec_inner);
 342                                 cab.frequency = frequency;
 343                                 cab.fec_inner = fec_inner;
 344                                 cab.inversion = inversion;
 345                                 cab.symbol_rate = symbol_rate;
 346                                 cab.modulation = modulation;
 347                                 feparm->setDVBC(cab);
 348                         }
 349                 }
 350                 addChannelToList(channelid, feparm);
 351         }
 352
 353         if ((!fgets(line, 256, f)) || strcmp(line, "services\n"))
 354         {
 355                 eDebug("services invalid, no services");
 356                 return;
 357         }
 358
 359         // clear all services
 360
 361         int count=0;
 362
 363         while (!feof(f))
 364         {
 365                 if (!fgets(line, 256, f))
 366                         break;
 367                 if (!strcmp(line, "end\n"))
 368                         break;
 369
 370                 int service_id=-1, dvb_namespace, transport_stream_id=-1, original_network_id=-1, service_type=-1, service_number=-1;
 371                 sscanf(line, "%x:%x:%x:%x:%d:%d", &service_id, &dvb_namespace, &transport_stream_id, &original_network_id, &service_type, &service_number);
 372                 if (service_number == -1)
 373                         continue;
 374                 ePtr<eDVBService> s = new eDVBService;
 375                 eServiceReferenceDVB ref =
 376                                                 eServiceReferenceDVB(
 377                                                 eDVBNamespace(dvb_namespace),
 378                                                 eTransportStreamID(transport_stream_id),
 379                                                 eOriginalNetworkID(original_network_id),
 380                                                 eServiceID(service_id),
 381                                                 service_type);
 382                 count++;
 383                 fgets(line, 256, f);
 384                 if (strlen(line))
 385                         line[strlen(line)-1]=0;
 386
 387                 s->m_service_name = line;
 388                 s->genSortName();
 389
 390                 fgets(line, 256, f);
 391                 if (strlen(line))
 392                         line[strlen(line)-1]=0;
 393                 std::string str=line;
 394
 395                 if (str[1]!=':')        // old ... (only service_provider)
 396                 {
 397                         s->m_provider_name=line;
 398                 } else
 399                         while ((!str.empty()) && str[1]==':') // new: p:, f:, c:%02d...
 400                         {
 401                                 unsigned int c=str.find(',');
 402                                 char p=str[0];
 403                                 std::string v;
 404                                 if (c == std::string::npos)
 405                                 {
 406                                         v=str.substr(2);
 407                                         str="";
 408                                 } else
 409                                 {
 410                                         v=str.substr(2, c-2);
 411                                         str=str.substr(c+1);
 412                                 }
 413 //                              eDebug("%c ... %s", p, v.c_str());
 414                                 if (p == 'p')
 415                                         s->m_provider_name=v;
 416                                 else if (p == 'f')
 417                                 {
 418                                         sscanf(v.c_str(), "%x", &s->m_flags);
 419                                 } else if (p == 'c')
 420                                 {
 421                                         int cid, val;
 422                                         sscanf(v.c_str(), "%02d%04x", &cid, &val);
 423                                         s->m_cache[cid]=val;
 424                                 } else if (p == 'C')
 425                                 {
 426                                         int val;
 427                                         sscanf(v.c_str(), "%04x", &val);
 428                                         s->m_ca.insert(val);
 429                                 }
 430                         }
 431                 addService(ref, s);
 432         }
 433
 434         eDebug("loaded %d services", count);
 435
 436         fclose(f);
 437 }
 438
 439 void eDVBDB::saveServicelist()
 440 {
 441         eDebug("---- saving lame channel db");
 442         FILE *f=fopen(CONFIGDIR"/enigma2/lamedb", "w");
 443         int channels=0, services=0;
 444         if (!f)
 445                 eFatal("couldn't save lame channel db!");
 446         fprintf(f, "eDVB services /3/\n");
 447         fprintf(f, "transponders\n");
 448         for (std::map<eDVBChannelID, channel>::const_iterator i(m_channels.begin());
 449                         i != m_channels.end(); ++i)
 450         {
 451                 const eDVBChannelID &chid = i->first;
 452                 const channel &ch = i->second;
 453
 454                 fprintf(f, "%08x:%04x:%04x\n", chid.dvbnamespace.get(),
 455                                 chid.transport_stream_id.get(), chid.original_network_id.get());
 456                 eDVBFrontendParametersSatellite sat;
 457                 eDVBFrontendParametersTerrestrial ter;
 458                 eDVBFrontendParametersCable cab;
 459                 if (!ch.m_frontendParameters->getDVBS(sat))
 460                 {
 461                         if (sat.system == eDVBFrontendParametersSatellite::System::DVB_S2)
 462                         {
 463                                 fprintf(f, "\ts %d:%d:%d:%d:%d:%d:%d:%d:%d\n",
 464                                         sat.frequency, sat.symbol_rate,
 465                                         sat.polarisation, sat.fec,
 466                                         sat.orbital_position > 1800 ? sat.orbital_position - 3600 : sat.orbital_position,
 467                                         sat.inversion,
 468                                         sat.system,
 469                                         sat.modulation,
 470                                         sat.roll_off);
 471                         }
 472                         else
 473                         {
 474                                 fprintf(f, "\ts %d:%d:%d:%d:%d:%d\n",
 475                                         sat.frequency, sat.symbol_rate,
 476                                         sat.polarisation, sat.fec,
 477                                         sat.orbital_position > 1800 ? sat.orbital_position - 3600 : sat.orbital_position,
 478                                         sat.inversion);
 479                         }
 480                 }
 481                 if (!ch.m_frontendParameters->getDVBT(ter))
 482                 {
 483                         fprintf(f, "\tt %d:%d:%d:%d:%d:%d:%d:%d:%d\n",
 484                                 ter.frequency, ter.bandwidth, ter.code_rate_HP,
 485                                 ter.code_rate_LP, ter.modulation, ter.transmission_mode,
 486                                 ter.guard_interval, ter.hierarchy, ter.inversion);
 487                 }
 488                 if (!ch.m_frontendParameters->getDVBC(cab))
 489                 {
 490                         fprintf(f, "\tc %d:%d:%d:%d:%d\n",
 491                                 cab.frequency, cab.symbol_rate, cab.inversion, cab.modulation, cab.fec_inner);
 492                 }
 493                 fprintf(f, "/\n");
 494                 channels++;
 495         }
 496         fprintf(f, "end\nservices\n");
 497
 498         for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i(m_services.begin());
 499                 i != m_services.end(); ++i)
 500         {
 501                 const eServiceReferenceDVB &s = i->first;
 502                 fprintf(f, "%04x:%08x:%04x:%04x:%d:%d\n",
 503                                 s.getServiceID().get(), s.getDVBNamespace().get(),
 504                                 s.getTransportStreamID().get(),s.getOriginalNetworkID().get(),
 505                                 s.getServiceType(),
 506                                 0);
 507
 508                 fprintf(f, "%s\n", i->second->m_service_name.c_str());
 509
 510                 fprintf(f, "p:%s", i->second->m_provider_name.c_str());
 511
 512                 // write cached pids
 513                 for (std::map<int,int>::const_iterator ca(i->second->m_cache.begin());
 514                         ca != i->second->m_cache.end(); ++ca)
 515                         fprintf(f, ",c:%02d%04x", ca->first, ca->second);
 516
 517                 // write cached ca pids
 518                 for (std::set<int>::const_iterator ca(i->second->m_ca.begin());
 519                         ca != i->second->m_ca.end(); ++ca)
 520                         fprintf(f, ",C:%04x", *ca);
 521
 522                 if (i->second->m_flags)
 523                         fprintf(f, ",f:%x", i->second->m_flags);
 524
 525                 fprintf(f, "\n");
 526                 services++;
 527         }
 528         fprintf(f, "end\nHave a lot of bugs!\n");
 529         eDebug("saved %d channels and %d services!", channels, services);
 530         fclose(f);
 531 }
 532
 533 void eDVBDB::loadBouquet(const char *path)
 534 {
 535         std::string bouquet_name = path;
 536         if (!bouquet_name.length())
 537         {
 538                 eDebug("Bouquet load failed.. no path given..");
 539                 return;
 540         }
 541         unsigned int pos = bouquet_name.rfind('/');
 542         if ( pos != std::string::npos )
 543                 bouquet_name.erase(0, pos+1);
 544         if (bouquet_name.empty())
 545         {
 546                 eDebug("Bouquet load failed.. no filename given..");
 547                 return;
 548         }
 549         eBouquet &bouquet = m_bouquets[bouquet_name];
 550         bouquet.m_filename = bouquet_name;
 551         std::list<eServiceReference> &list = bouquet.m_services;
 552         list.clear();
 553
 554         std::string p = CONFIGDIR"/enigma2/";
 555         p+=path;
 556         eDebug("loading bouquet... %s", p.c_str());
 557         FILE *fp=fopen(p.c_str(), "rt");
 558         int entries=0;
 559         if (!fp)
 560         {
 561                 struct stat s;
 562                 if ( !stat(path, &s) )
 563                 {
 564                         rename(path, p.c_str() );
 565                         loadBouquet(path);
 566                         return;
 567                 }
 568                 eDebug("failed to open.");
 569                 if ( strstr(path, "bouquets.tv") )
 570                 {
 571                         eDebug("recreate bouquets.tv");
 572                         bouquet.m_bouquet_name="Bouquets (TV)";
 573                         bouquet.flushChanges();
 574                 }
 575                 else if ( strstr(path, "bouquets.radio") )
 576                 {
 577                         eDebug("recreate bouquets.radio");
 578                         bouquet.m_bouquet_name="Bouquets (Radio)";
 579                         bouquet.flushChanges();
 580                 }
 581                 return;
 582         }
 583         char line[256];
 584         bool read_descr=false;
 585         eServiceReference *e = NULL;
 586         while (1)
 587         {
 588                 if (!fgets(line, 256, fp))
 589                         break;
 590                 line[strlen(line)-1]=0;
 591                 if (strlen(line) && line[strlen(line)-1]=='\r')
 592                         line[strlen(line)-1]=0;
 593                 if (!line[0])
 594                         break;
 595                 if (line[0]=='#')
 596                 {
 597                         if (!strncmp(line, "#SERVICE ", 9) || !strncmp(line, "#SERVICE: ", 10))
 598                         {
 599                                 int offs = line[8] == ':' ? 10 : 9;
 600                                 eServiceReference tmp(line+offs);
 601                                 if (tmp.type != eServiceReference::idDVB)
 602                                 {
 603                                         eDebug("only DVB Bouquets supported");
 604                                         continue;
 605                                 }
 606                                 if ( (tmp.flags&eServiceReference::flagDirectory) == eServiceReference::flagDirectory )
 607                                 {
 608                                         unsigned int pos = tmp.path.rfind('/');
 609                                         if ( pos != std::string::npos )
 610                                                 tmp.path.erase(0, pos+1);
 611                                         if (tmp.path.empty())
 612                                         {
 613                                                 eDebug("Bouquet load failed.. no filename given..");
 614                                                 continue;
 615                                         }
 616                                         loadBouquet(tmp.path.c_str());
 617                                         char buf[256];
 618                                         snprintf(buf, 256, "(type == %d) FROM BOUQUET \"%s\" ORDER BY bouquet", tmp.data[0], tmp.path.c_str());
 619                                         tmp.path = buf;
 620                                 }
 621                                 list.push_back(tmp);
 622                                 e = &list.back();
 623                                 read_descr=true;
 624                                 ++entries;
 625                         }
 626                         else if (read_descr && !strncmp(line, "#DESCRIPTION ", 13))
 627                         {
 628                                 e->name = line+13;
 629                                 read_descr=false;
 630                         }
 631                         else if (!strncmp(line, "#NAME ", 6))
 632                                 bouquet.m_bouquet_name=line+6;
 633                         continue;
 634                 }
 635         }
 636         fclose(fp);
 637         eDebug("%d entries in Bouquet %s", entries, bouquet_name.c_str());
 638 }
 639
 640 void eDVBDB::reloadBouquets()
 641 {
 642         m_bouquets.clear();
 643         loadBouquet("bouquets.tv");
 644         loadBouquet("bouquets.radio");
 645 // create default bouquets when missing
 646         if ( m_bouquets.find("userbouquet.favourites.tv") == m_bouquets.end() )
 647         {
 648                 eBouquet &b = m_bouquets["userbouquet.favourites.tv"];
 649                 b.m_filename = "userbouquet.favourites.tv";
 650                 b.m_bouquet_name = "Favourites (TV)";
 651                 b.flushChanges();
 652                 eServiceReference ref;
 653                 memset(ref.data, 0, sizeof(ref.data));
 654                 ref.type=1;
 655                 ref.flags=7;
 656                 ref.data[0]=1;
 657                 ref.path="(type == 1) FROM BOUQUET \"userbouquet.favourites.tv\" ORDER BY bouquet";
 658                 eBouquet &parent = m_bouquets["bouquets.tv"];
 659                 parent.m_services.push_back(ref);
 660                 parent.flushChanges();
 661         }
 662         if ( m_bouquets.find("userbouquet.favourites.radio") == m_bouquets.end() )
 663         {
 664                 eBouquet &b = m_bouquets["userbouquet.favourites.radio"];
 665                 b.m_filename = "userbouquet.favourites.radio";
 666                 b.m_bouquet_name = "Favourites (Radio)";
 667                 b.flushChanges();
 668                 eServiceReference ref;
 669                 memset(ref.data, 0, sizeof(ref.data));
 670                 ref.type=1;
 671                 ref.flags=7;
 672                 ref.data[0]=2;
 673                 ref.path="(type == 2) FROM BOUQUET \"userbouquet.favourites.radio\" ORDER BY bouquet";
 674                 eBouquet &parent = m_bouquets["bouquets.radio"];
 675                 parent.m_services.push_back(ref);
 676                 parent.flushChanges();
 677         }
 678 }
 679
 680 eDVBDB *eDVBDB::instance;
 681
 682 eDVBDB::eDVBDB()
 683 {
 684         instance = this;
 685         reloadServicelist();
 686 }
 687
 688 eDVBDB::~eDVBDB()
 689 {
 690         instance=NULL;
 691 }
 692
 693 RESULT eDVBDB::removeService(const eServiceReference &ref)
 694 {
 695         if (ref.type == eServiceReference::idDVB)
 696         {
 697                 eServiceReferenceDVB &service = (eServiceReferenceDVB&)ref;
 698                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_services.find(service));
 699                 if (it != m_services.end())
 700                 {
 701                         m_services.erase(it);
 702                         return 0;
 703                 }
 704         }
 705         return -1;
 706 }
 707
 708 RESULT eDVBDB::removeServices(int dvb_namespace, int tsid, int onid, unsigned int orb_pos)
 709 {
 710         return removeServices(eDVBChannelID(eDVBNamespace(dvb_namespace), eTransportStreamID(tsid), eOriginalNetworkID(onid)), orb_pos);
 711 }
 712
 713 RESULT eDVBDB::removeServices(eDVBChannelID chid, unsigned int orbpos)
 714 {
 715         RESULT ret=-1;
 716         eDVBNamespace eNs;
 717         eTransportStreamID eTsid;
 718         eOriginalNetworkID eOnid;
 719         std::map<eDVBChannelID, channel>::iterator it(m_channels.begin());
 720         std::set<eDVBChannelID> removed_chids;
 721         while (it != m_channels.end())
 722         {
 723                 const eDVBChannelID &ch = it->first;
 724                 bool remove=true;
 725                 int system;
 726                 it->second.m_frontendParameters->getSystem(system);
 727                 if ( orbpos != 0xFFFFFFFF && system == iDVBFrontend::feSatellite )
 728                 {
 729                         eDVBFrontendParametersSatellite sat;
 730                         it->second.m_frontendParameters->getDVBS(sat);
 731                         if ((unsigned int)sat.orbital_position != orbpos)
 732                                 remove=false;
 733                 }
 734                 if ( remove && chid.dvbnamespace != eNs && chid.dvbnamespace != ch.dvbnamespace )
 735                         remove=false;
 736                 if ( remove && chid.original_network_id != eOnid && chid.original_network_id != ch.original_network_id )
 737                         remove=false;
 738                 if ( remove && chid.transport_stream_id != eTsid && chid.transport_stream_id != ch.transport_stream_id )
 739                         remove=false;
 740                 if ( remove )
 741                 {
 742                         eDebug("remove %08x %04x %04x",
 743                                 ch.dvbnamespace.get(),
 744                                 ch.original_network_id.get(),
 745                                 ch.transport_stream_id.get());
 746                         removed_chids.insert(it->first);
 747                         m_channels.erase(it++);
 748                 }
 749                 else
 750                         ++it;
 751         }
 752         if (!removed_chids.empty())
 753         {
 754                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator service(m_services.begin());
 755                 while(service != m_services.end())
 756                 {
 757                         eDVBChannelID chid;
 758                         service->first.getChannelID(chid);
 759                         std::set<eDVBChannelID>::iterator it(removed_chids.find(chid));
 760                         if (it != removed_chids.end())
 761                                 m_services.erase(service++);
 762                         else
 763                                 ++service;
 764                         ret=0;
 765                 }
 766         }
 767         return ret;
 768 }
 769
 770 RESULT eDVBDB::addFlag(const eServiceReference &ref, unsigned int flagmask)
 771 {
 772         if (ref.type == eServiceReference::idDVB)
 773         {
 774                 eServiceReferenceDVB &service = (eServiceReferenceDVB&)ref;
 775                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_services.find(service));
 776                 if (it != m_services.end())
 777                         it->second->m_flags |= ~flagmask;
 778                 return 0;
 779         }
 780         return -1;
 781 }
 782
 783 RESULT eDVBDB::removeFlag(const eServiceReference &ref, unsigned int flagmask)
 784 {
 785         if (ref.type == eServiceReference::idDVB)
 786         {
 787                 eServiceReferenceDVB &service = (eServiceReferenceDVB&)ref;
 788                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_services.find(service));
 789                 if (it != m_services.end())
 790                         it->second->m_flags &= ~flagmask;
 791                 return 0;
 792         }
 793         return -1;
 794 }
 795
 796 RESULT eDVBDB::removeFlags(unsigned int flagmask, int dvb_namespace, int tsid, int onid, unsigned int orb_pos)
 797 {
 798         return removeFlags(flagmask, eDVBChannelID(eDVBNamespace(dvb_namespace), eTransportStreamID(tsid), eOriginalNetworkID(onid)), orb_pos);
 799 }
 800
 801 RESULT eDVBDB::removeFlags(unsigned int flagmask, eDVBChannelID chid, unsigned int orbpos)
 802 {
 803         eDVBNamespace eNs;
 804         eTransportStreamID eTsid;
 805         eOriginalNetworkID eOnid;
 806         std::map<eDVBChannelID, channel>::iterator it(m_channels.begin());
 807         std::set<eDVBChannelID> removed_chids;
 808         while (it != m_channels.end())
 809         {
 810                 const eDVBChannelID &ch = it->first;
 811                 bool remove=true;
 812                 int system;
 813                 it->second.m_frontendParameters->getSystem(system);
 814                 if ( orbpos != 0xFFFFFFFF && system == iDVBFrontend::feSatellite )
 815                 {
 816                         eDVBFrontendParametersSatellite sat;
 817                         it->second.m_frontendParameters->getDVBS(sat);
 818                         if ((unsigned int)sat.orbital_position != orbpos)
 819                                 remove=false;
 820                 }
 821                 if ( remove && chid.dvbnamespace != eNs && chid.dvbnamespace != ch.dvbnamespace )
 822                         remove=false;
 823                 if ( remove && chid.original_network_id != eOnid && chid.original_network_id != ch.original_network_id )
 824                         remove=false;
 825                 if ( remove && chid.transport_stream_id != eTsid && chid.transport_stream_id != ch.transport_stream_id )
 826                         remove=false;
 827                 if ( remove )
 828                         removed_chids.insert(it->first);
 829                 ++it;
 830         }
 831         if (!removed_chids.empty())
 832         {
 833                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator service(m_services.begin());
 834                 while(service != m_services.end())
 835                 {
 836                         eDVBChannelID chid;
 837                         service->first.getChannelID(chid);
 838                         std::set<eDVBChannelID>::iterator it(removed_chids.find(chid));
 839                         if (it != removed_chids.end())
 840                                 service->second->m_flags &= ~flagmask;
 841                         ++service;
 842                 }
 843         }
 844         return 0;
 845 }
 846
 847 RESULT eDVBDB::addChannelToList(const eDVBChannelID &id, iDVBFrontendParameters *feparm)
 848 {
 849         channel ch;
 850         assert(feparm);
 851         ch.m_frontendParameters = feparm;
 852         m_channels.insert(std::pair<eDVBChannelID, channel>(id, ch));
 853         return 0;
 854 }
 855
 856 RESULT eDVBDB::removeChannel(const eDVBChannelID &id)
 857 {
 858         m_channels.erase(id);
 859         return 0;
 860 }
 861
 862 RESULT eDVBDB::getChannelFrontendData(const eDVBChannelID &id, ePtr<iDVBFrontendParameters> &parm)
 863 {
 864         std::map<eDVBChannelID, channel>::iterator i = m_channels.find(id);
 865         if (i == m_channels.end())
 866         {
 867                 parm = 0;
 868                 return -ENOENT;
 869         }
 870         parm = i->second.m_frontendParameters;
 871         return 0;
 872 }
 873
 874 RESULT eDVBDB::addService(const eServiceReferenceDVB &serviceref, eDVBService *service)
 875 {
 876         std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_services.find(serviceref));
 877         if (it == m_services.end())
 878                 m_services.insert(std::pair<eServiceReferenceDVB, ePtr<eDVBService> >(serviceref, service));
 879         return 0;
 880 }
 881
 882 RESULT eDVBDB::getService(const eServiceReferenceDVB &reference, ePtr<eDVBService> &service)
 883 {
 884         std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i;
 885         i = m_services.find(reference);
 886         if (i == m_services.end())
 887         {
 888                 service = 0;
 889                 return -ENOENT;
 890         }
 891         service = i->second;
 892         return 0;
 893 }
 894
 895 RESULT eDVBDB::flush()
 896 {
 897         saveServicelist();
 898         return 0;
 899 }
 900
 901 RESULT eDVBDB::getBouquet(const eServiceReference &ref, eBouquet* &bouquet)
 902 {
 903         std::string str = ref.path;
 904         if (str.empty())
 905         {
 906                 eDebug("getBouquet failed.. no path given!");
 907                 return -1;
 908         }
 909         unsigned int pos = str.find("FROM BOUQUET \"");
 910         if ( pos != std::string::npos )
 911         {
 912                 str.erase(0, pos+14);
 913                 pos = str.find('"');
 914                 if ( pos != std::string::npos )
 915                         str.erase(pos);
 916                 else
 917                         str.clear();
 918         }
 919         if (str.empty())
 920         {
 921                 eDebug("getBouquet failed.. couldn't parse bouquet name");
 922                 return -1;
 923         }
 924         std::map<std::string, eBouquet>::iterator i =
 925                 m_bouquets.find(str);
 926         if (i == m_bouquets.end())
 927         {
 928                 bouquet = 0;
 929                 return -ENOENT;
 930         }
 931         bouquet = &i->second;
 932         return 0;
 933 }
 934
 935 RESULT eDVBDB::startQuery(ePtr<iDVBChannelListQuery> &query, eDVBChannelQuery *q, const eServiceReference &source)
 936 {
 937         if ( source.path.find("FROM") != std::string::npos )
 938         {
 939                 if ( source.path.find("BOUQUET") != std::string::npos )
 940                         query = new eDVBDBBouquetQuery(this, source, q);
 941                 else if ( source.path.find("SATELLITES") != std::string::npos )
 942                         query = new eDVBDBSatellitesQuery(this, source, q);
 943                 else if ( source.path.find("PROVIDERS") != std::string::npos )
 944                         query = new eDVBDBProvidersQuery(this, source, q);
 945                 else
 946                         eFatal("invalid query %s", source.toString().c_str());
 947         }
 948         else
 949                 query = new eDVBDBQuery(this, source, q);
 950         return 0;
 951 }
 952
 953 eServiceReference eDVBDB::searchReference(int tsid, int onid, int sid)
 954 {
 955         eServiceID Sid(sid);
 956         eTransportStreamID Tsid(tsid);
 957         eOriginalNetworkID Onid(onid);
 958         for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator sit(m_services.begin());
 959                 sit != m_services.end(); ++sit)
 960         {
 961                 if (sit->first.getTransportStreamID() == Tsid &&
 962                         sit->first.getOriginalNetworkID() == Onid &&
 963                         sit->first.getServiceID() == Sid)
 964                         return sit->first;
 965         }
 966         return eServiceReference();
 967 }
 968
 969 DEFINE_REF(eDVBDBQueryBase);
 970
 971 eDVBDBQueryBase::eDVBDBQueryBase(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
 972         :m_db(db), m_query(query), m_source(source)
 973 {
 974 }
 975
 976 int eDVBDBQueryBase::compareLessEqual(const eServiceReferenceDVB &a, const eServiceReferenceDVB &b)
 977 {
 978         ePtr<eDVBService> a_service, b_service;
 979
 980         int sortmode = m_query ? m_query->m_sort : eDVBChannelQuery::tName;
 981
 982         if ((sortmode == eDVBChannelQuery::tName) || (sortmode == eDVBChannelQuery::tProvider))
 983         {
 984                 if (m_db->getService(a, a_service))
 985                         return 1;
 986                 if (m_db->getService(b, b_service))
 987                         return 1;
 988         }
 989
 990         switch (sortmode)
 991         {
 992         case eDVBChannelQuery::tName:
 993                 return a_service->m_service_name_sort < b_service->m_service_name_sort;
 994         case eDVBChannelQuery::tProvider:
 995                 return a_service->m_provider_name < b_service->m_provider_name;
 996         case eDVBChannelQuery::tType:
 997                 return a.getServiceType() < b.getServiceType();
 998         case eDVBChannelQuery::tBouquet:
 999                 return 0;
1000         case eDVBChannelQuery::tSatellitePosition:
1001                 return (a.getDVBNamespace().get() >> 16) < (b.getDVBNamespace().get() >> 16);
1002         default:
1003                 return 1;
1004         }
1005         return 0;
1006 }
1007
1008 eDVBDBQuery::eDVBDBQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1009         :eDVBDBQueryBase(db, source, query)
1010 {
1011         m_cursor = m_db->m_services.begin();
1012 }
1013
1014 RESULT eDVBDBQuery::getNextResult(eServiceReferenceDVB &ref)
1015 {
1016         while (m_cursor != m_db->m_services.end())
1017         {
1018                 ref = m_cursor->first;
1019
1020                 int res = (!m_query) || m_cursor->second->checkFilter(ref, *m_query);
1021
1022                 ++m_cursor;
1023
1024                 if (res)
1025                         return 0;
1026         }
1027
1028         ref.type = eServiceReference::idInvalid;
1029
1030         return 1;
1031 }
1032
1033 eDVBDBBouquetQuery::eDVBDBBouquetQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1034         :eDVBDBQueryBase(db, source, query), m_cursor(db->m_bouquets[query->m_bouquet_name].m_services.begin())
1035 {
1036 }
1037
1038 RESULT eDVBDBBouquetQuery::getNextResult(eServiceReferenceDVB &ref)
1039 {
1040         eBouquet &bouquet = m_db->m_bouquets[m_query->m_bouquet_name];
1041         std::list<eServiceReference> &list = bouquet.m_services;
1042         while (m_cursor != list.end())
1043         {
1044                 ref = *((eServiceReferenceDVB*)&(*m_cursor));
1045
1046                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it =
1047                         m_db->m_services.find(ref);
1048
1049                 int res = (!m_query) || it == m_db->m_services.end() || it->second->checkFilter(ref, *m_query);
1050
1051                 ++m_cursor;
1052
1053                 if (res)
1054                         return 0;
1055         }
1056
1057         ref.type = eServiceReference::idInvalid;
1058
1059         return 1;
1060 }
1061
1062 eDVBDBListQuery::eDVBDBListQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1063         :eDVBDBQueryBase(db, source, query), m_cursor(m_list.end())
1064 {
1065 }
1066
1067 RESULT eDVBDBListQuery::getNextResult(eServiceReferenceDVB &ref)
1068 {
1069         if (m_cursor != m_list.end())
1070         {
1071                 ref = *m_cursor++;
1072                 return 0;
1073         }
1074         ref.type = eServiceReference::idInvalid;
1075         return 1;
1076 }
1077
1078 int eDVBDBListQuery::compareLessEqual(const eServiceReferenceDVB &a, const eServiceReferenceDVB &b)
1079 {
1080         if ( m_query->m_sort == eDVBChannelQuery::tSatellitePosition )
1081         {
1082                 int x = (a.getDVBNamespace().get() >> 16);
1083                 int y = (b.getDVBNamespace().get() >> 16);
1084                 if ( x > 1800 )
1085                         x -= 3600;
1086                 if ( y > 1800 )
1087                         y -= 3600;
1088                 return x < y;
1089         }
1090         return a.name < b.name;
1091 }
1092
1093 eDVBDBSatellitesQuery::eDVBDBSatellitesQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1094         :eDVBDBListQuery(db, source, query)
1095 {
1096         for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_db->m_services.begin());
1097                 it != m_db->m_services.end(); ++it)
1098         {
1099                 int res = it->second->checkFilter(it->first, *query);
1100                 if (res)
1101                 {
1102                         unsigned int dvbnamespace = it->first.getDVBNamespace().get()&0xFFFF0000;
1103                         bool found=0;
1104                         for (std::list<eServiceReferenceDVB>::iterator i(m_list.begin()); i != m_list.end(); ++i)
1105                                 if ( (i->getDVBNamespace().get()&0xFFFF0000) == dvbnamespace )
1106                                 {
1107                                         found=true;
1108                                         break;
1109                                 }
1110                         if (!found)
1111                         {
1112                                 eServiceReferenceDVB ref;
1113                                 ref.setDVBNamespace(dvbnamespace);
1114                                 ref.flags=eServiceReference::flagDirectory;
1115                                 char buf[128];
1116                                 snprintf(buf, 128, "(satellitePosition == %d) && ", dvbnamespace>>16);
1117
1118                                 ref.path=buf+source.path;
1119                                 unsigned int pos=ref.path.find("FROM");
1120                                 ref.path.erase(pos);
1121                                 ref.path+="ORDER BY name";
1122 //                              eDebug("ref.path now %s", ref.path.c_str());
1123                                 m_list.push_back(ref);
1124
1125                                 ref.path=buf+source.path;
1126                                 pos=ref.path.find("FROM");
1127                                 ref.path.erase(pos+5);
1128                                 ref.path+="PROVIDERS ORDER BY name";
1129 //                              eDebug("ref.path now %s", ref.path.c_str());
1130                                 m_list.push_back(ref);
1131
1132                                 snprintf(buf, 128, "(satellitePosition == %d) && (flags == %d) && ", dvbnamespace>>16, eDVBService::dxNewFound);
1133                                 ref.path=buf+source.path;
1134                                 pos=ref.path.find("FROM");
1135                                 ref.path.erase(pos);
1136                                 ref.path+="ORDER BY name";
1137 //                              eDebug("ref.path now %s", ref.path.c_str());
1138                                 m_list.push_back(ref);
1139                         }
1140                 }
1141         }
1142         m_cursor=m_list.begin();
1143 }
1144
1145 eDVBDBProvidersQuery::eDVBDBProvidersQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1146         :eDVBDBListQuery(db, source, query)
1147 {
1148         for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_db->m_services.begin());
1149                 it != m_db->m_services.end(); ++it)
1150         {
1151                 int res = it->second->checkFilter(it->first, *query);
1152                 if (res)
1153                 {
1154                         bool found=0;
1155
1156                         const char *provider_name = it->second->m_provider_name.length() ?
1157                                 it->second->m_provider_name.c_str() :
1158                                 "Unknown";
1159
1160                         for (std::list<eServiceReferenceDVB>::iterator i(m_list.begin()); i != m_list.end(); ++i)
1161                                 if (i->name == provider_name)
1162                                 {
1163                                         found=true;
1164                                         break;
1165                                 }
1166                         if (!found)
1167                         {
1168                                 eServiceReferenceDVB ref;
1169                                 char buf[64];
1170                                 ref.name=provider_name;
1171                                 snprintf(buf, 64, "(provider == \"%s\") && ", provider_name);
1172                                 ref.path=buf+source.path;
1173                                 unsigned int pos = ref.path.find("FROM");
1174                                 ref.flags=eServiceReference::flagDirectory;
1175                                 ref.path.erase(pos);
1176                                 ref.path+="ORDER BY name";
1177 //                              eDebug("ref.path now %s", ref.path.c_str());
1178                                 m_list.push_back(ref);
1179                         }
1180                 }
1181         }
1182         m_cursor=m_list.begin();
1183 }
1184
1185 /* (<name|provider|type|bouquet|satpos|chid> <==|...> <"string"|int>)[||,&& (..)] */
1186
1187 static int decodeType(const std::string &type)
1188 {
1189         if (type == "name")
1190                 return eDVBChannelQuery::tName;
1191         else if (type == "provider")
1192                 return eDVBChannelQuery::tProvider;
1193         else if (type == "type")
1194                 return eDVBChannelQuery::tType;
1195         else if (type == "bouquet")
1196                 return eDVBChannelQuery::tBouquet;
1197         else if (type == "satellitePosition")
1198                 return eDVBChannelQuery::tSatellitePosition;
1199         else if (type == "channelID")
1200                 return eDVBChannelQuery::tChannelID;
1201         else if (type == "flags")
1202                 return eDVBChannelQuery::tFlags;
1203         else
1204                 return -1;
1205 }
1206
1207         /* never, NEVER write a parser in C++! */
1208 RESULT parseExpression(ePtr<eDVBChannelQuery> &res, std::list<std::string>::const_iterator begin, std::list<std::string>::const_iterator end)
1209 {
1210         std::list<std::string>::const_iterator end_of_exp;
1211
1212         if (begin == end)
1213         {
1214                 eDebug("empty expression!");
1215                 return 0;
1216         }
1217
1218         if (*begin == "(")
1219         {
1220                 end_of_exp = begin;
1221                 while (end_of_exp != end)
1222                         if (*end_of_exp == ")")
1223                                 break;
1224                         else
1225                                 ++end_of_exp;
1226
1227                 if (end_of_exp == end)
1228                 {
1229                         eDebug("expression parse: end of expression while searching for closing brace");
1230                         return -1;
1231                 }
1232
1233                 ++begin;
1234                 // begin..end_of_exp
1235                 int r = parseExpression(res, begin, end_of_exp);
1236                 if (r)
1237                         return r;
1238                 ++end_of_exp;
1239
1240                         /* we had only one sub expression */
1241                 if (end_of_exp == end)
1242                 {
1243 //                      eDebug("only one sub expression");
1244                         return 0;
1245                 }
1246
1247                         /* otherwise we have an operator here.. */
1248
1249                 ePtr<eDVBChannelQuery> r2 = res;
1250                 res = new eDVBChannelQuery();
1251                 res->m_sort = 0;
1252                 res->m_p1 = r2;
1253                 res->m_inverse = 0;
1254                 r2 = 0;
1255
1256                 if (*end_of_exp == "||")
1257                         res->m_type = eDVBChannelQuery::tOR;
1258                 else if (*end_of_exp == "&&")
1259                         res->m_type = eDVBChannelQuery::tAND;
1260                 else
1261                 {
1262                         eDebug("found operator %s, but only && and || are allowed!", end_of_exp->c_str());
1263                         res = 0;
1264                         return 1;
1265                 }
1266
1267                 ++end_of_exp;
1268
1269                 return parseExpression(res->m_p2, end_of_exp, end);
1270         }
1271
1272         // "begin" <op> "end"
1273         std::string type, op, val;
1274
1275         res = new eDVBChannelQuery();
1276         res->m_sort = 0;
1277
1278         int cnt = 0;
1279         while (begin != end)
1280         {
1281                 switch (cnt)
1282                 {
1283                 case 0:
1284                         type = *begin;
1285                         break;
1286                 case 1:
1287                         op = *begin;
1288                         break;
1289                 case 2:
1290                         val = *begin;
1291                         break;
1292                 case 3:
1293                         eDebug("malformed query: got '%s', but expected only <type> <op> <val>", begin->c_str());
1294                         return 1;
1295                 }
1296                 ++begin;
1297                 ++cnt;
1298         }
1299
1300         if (cnt != 3)
1301         {
1302                 eDebug("malformed query: missing stuff");
1303                 res = 0;
1304                 return 1;
1305         }
1306
1307         res->m_type = decodeType(type);
1308
1309         if (res->m_type == -1)
1310         {
1311                 eDebug("malformed query: invalid type %s", type.c_str());
1312                 res = 0;
1313                 return 1;
1314         }
1315
1316         if (op == "==")
1317                 res->m_inverse = 0;
1318         else if (op == "!=")
1319                 res->m_inverse = 1;
1320         else
1321         {
1322                 eDebug("invalid operator %s", op.c_str());
1323                 res = 0;
1324                 return 1;
1325         }
1326
1327         res->m_string = val;
1328         res->m_int = atoi(val.c_str());
1329 //      res->m_channelid = eDVBChannelID(val);
1330
1331         return 0;
1332 }
1333
1334 RESULT eDVBChannelQuery::compile(ePtr<eDVBChannelQuery> &res, std::string query)
1335 {
1336         std::list<std::string> tokens;
1337
1338         std::string current_token;
1339         std::string bouquet_name;
1340
1341 //      eDebug("splitting %s....", query.c_str());
1342         unsigned int i = 0;
1343         const char *splitchars="()";
1344         int quotemode = 0, lastsplit = 0, lastalnum = 0;
1345         while (i <= query.size())
1346         {
1347                 int c = (i < query.size()) ? query[i] : ' ';
1348                 ++i;
1349
1350                 int issplit = !!strchr(splitchars, c);
1351                 int isaln = isalnum(c);
1352                 int iswhite = c == ' ';
1353                 int isquot = c == '\"';
1354
1355                 if (quotemode)
1356                 {
1357                         iswhite = issplit = 0;
1358                         isaln = lastalnum;
1359                 }
1360
1361                 if (issplit || iswhite || isquot || lastsplit || (lastalnum != isaln))
1362                 {
1363                         if (current_token.size())
1364                                 tokens.push_back(current_token);
1365                         current_token.clear();
1366                 }
1367
1368                 if (!(iswhite || isquot))
1369                         current_token += c;
1370
1371                 if (isquot)
1372                         quotemode = !quotemode;
1373                 lastsplit = issplit;
1374                 lastalnum = isaln;
1375         }
1376
1377 //      for (std::list<std::string>::const_iterator a(tokens.begin()); a != tokens.end(); ++a)
1378 //      {
1379 //              printf("%s\n", a->c_str());
1380 //      }
1381
1382         int sort = eDVBChannelQuery::tName;
1383                 /* check for "ORDER BY ..." */
1384
1385         std::list<std::string>::iterator it = tokens.begin();
1386         while (it != tokens.end())
1387         {
1388                 if (*it == "ORDER")
1389                 {
1390                         tokens.erase(it++);
1391                         if (it != tokens.end() && *it == "BY")
1392                         {
1393                                 tokens.erase(it++);
1394                                 sort = decodeType(*it);
1395                                 tokens.erase(it++);
1396                         } else
1397                                 sort = -1;
1398                 }
1399                 else if (*it == "FROM")
1400                 {
1401                         tokens.erase(it++);
1402                         if (it != tokens.end() && *it == "BOUQUET")
1403                         {
1404                                 tokens.erase(it++);
1405                                 bouquet_name = *it;
1406                                 tokens.erase(it++);
1407                         }
1408                         else if (it != tokens.end() && *it == "SATELLITES")
1409                                 tokens.erase(it++);
1410                         else if (it != tokens.end() && *it == "PROVIDERS")
1411                                 tokens.erase(it++);
1412                         else
1413                         {
1414                                 eDebug("FROM unknown %s", (*it).c_str());
1415                                 tokens.erase(it++);
1416                         }
1417                 }
1418                 else
1419                         ++it;
1420         }
1421
1422         if (sort == -1)
1423         {
1424                 eWarning("ORDER BY .. string invalid.");
1425                 res = 0;
1426                 return -1;
1427         }
1428
1429 //      eDebug("sort by %d", sort);
1430
1431                 /* now we recursivly parse that. */
1432         int r = parseExpression(res, tokens.begin(), tokens.end());
1433
1434                 /* we have an empty (but valid!) expression */
1435         if (!r && !res)
1436         {
1437                 res = new eDVBChannelQuery();
1438                 res->m_inverse = 0;
1439                 res->m_type = eDVBChannelQuery::tAny;
1440         }
1441
1442         if (res)
1443         {
1444                 res->m_sort = sort;
1445                 res->m_bouquet_name = bouquet_name;
1446         }
1447
1448 //      eDebug("return: %d", r);
1449         return r;
1450 }
1451
1452 DEFINE_REF(eDVBChannelQuery);